/* ============================================================
   MyMusic — Main Stylesheet
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Dark theme (default) */
  --bg:          #0f0f0f;
  --surface:     #181818;
  --surface2:    #242424;
  --surface3:    #2e2e2e;
  --border:      #2a2a2a;
  --accent:      #a855f7;
  --accent-dim:  #7c3aed;
  --accent-glow: rgba(168,85,247,.25);
  --text:        #ffffff;
  --text-2:      #b3b3b3;
  --text-3:      #6b6b6b;
  --danger:      #ef4444;
  --success:     #22c55e;
  --warning:     #f59e0b;
  --player-h:    90px;
  --sidebar-w:   220px;
  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   16px;
  --radius-full: 9999px;
  --shadow:      0 4px 24px rgba(0,0,0,.4);
  --transition:  150ms ease;
}

[data-theme="light"] {
  --bg:          #f0f0f0;
  --surface:     #ffffff;
  --surface2:    #f7f7f7;
  --surface3:    #ececec;
  --border:      #e0e0e0;
  --accent:      #7c3aed;
  --accent-dim:  #6d28d9;
  --accent-glow: rgba(124,58,237,.15);
  --text:        #1a1a1a;
  --text-2:      #555555;
  --text-3:      #999999;
  --shadow:      0 4px 24px rgba(0,0,0,.1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; }

body {
  font-family: system-ui, -apple-system, 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow: hidden;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

html, body, #app {
  max-width: 100vw;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--surface3); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ── App Shell ─────────────────────────────────────────────── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  padding-top: env(safe-area-inset-top, 0px);
}

/* Auth screen */
#view-auth {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--bg);
}

/* Main screen (sidebar + content) */
#view-main {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* ── Sidebar ───────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.sidebar-logo span {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.3px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border-radius: 0;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  user-select: none;
}

.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: var(--surface2); color: var(--accent); }

.nav-item .nav-icon { font-size: 1.1rem; width: 20px; text-align: center; }

.sidebar-bottom {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius);
  overflow: hidden;
}

.user-avatar {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
  color: #fff;
}

.user-email {
  font-size: .78rem;
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-actions {
  display: flex;
  gap: 4px;
}

.btn-icon-sm {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  color: var(--text-3);
  transition: background var(--transition), color var(--transition);
  font-size: 1rem;
}

.btn-icon-sm:hover { background: var(--surface2); color: var(--text); }

/* ── Main Content ──────────────────────────────────────────── */
#content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
  background: var(--bg);
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
  flex-wrap: wrap;
}

.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -.5px;
}

.page-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dim); transform: translateY(-1px); }

.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface3); }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  padding: 8px 12px;
}
.btn-ghost:hover { background: var(--surface2); color: var(--text); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  color: var(--text-3);
  transition: background var(--transition), color var(--transition);
  font-size: .95rem;
  flex-shrink: 0;
}
.btn-icon:hover { background: var(--surface2); color: var(--text); }
.btn-icon.danger:hover { background: rgba(239,68,68,.15); color: var(--danger); }

/* ── Input ─────────────────────────────────────────────────── */
.input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-size: .9rem;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.input::placeholder { color: var(--text-3); }

.input-group { display: flex; flex-direction: column; gap: 6px; }
.input-label { font-size: .8rem; font-weight: 600; color: var(--text-2); }
.input-hint  { font-size: .75rem; color: var(--text-3); }

/* ── Auth ──────────────────────────────────────────────────── */
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.auth-logo img { width: 44px; height: 44px; border-radius: 10px; }

.auth-logo-text { font-size: 1.4rem; font-weight: 700; }

.auth-tabs {
  display: flex;
  background: var(--surface2);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 24px;
  gap: 2px;
}

.auth-tab {
  flex: 1;
  padding: 8px;
  text-align: center;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: all var(--transition);
  cursor: pointer;
}
.auth-tab.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,.2); }

.auth-form { display: flex; flex-direction: column; gap: 16px; }

.auth-error {
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.3);
  color: var(--danger);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: .85rem;
  display: none;
}
.auth-error.show { display: block; }

.auth-submit {
  width: 100%;
  padding: 11px;
  justify-content: center;
  font-size: .95rem;
  margin-top: 4px;
}

/* ── Songs List ────────────────────────────────────────────── */
.song-list { display: flex; flex-direction: column; gap: 2px; }

.song-item {
  display: grid;
  grid-template-columns: 40px 44px 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: background var(--transition);
  cursor: default;
  user-select: none;
}
.song-item:hover { background: var(--surface2); }
.song-item.playing { background: var(--surface2); }
.song-item.playing .song-title { color: var(--accent); }

.song-num {
  text-align: center;
  color: var(--text-3);
  font-size: .85rem;
  width: 40px;
}
.song-item.playing .song-num { display: none; }
.playing-bars {
  display: none;
  justify-content: center;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
  width: 40px;
}
.song-item.playing .playing-bars { display: flex; }
.playing-bar {
  width: 3px;
  background: var(--accent);
  border-radius: 1px;
  animation: eq 0.8s ease-in-out infinite alternate;
}
.playing-bar:nth-child(2) { animation-delay: .2s; }
.playing-bar:nth-child(3) { animation-delay: .4s; }
@keyframes eq {
  from { height: 3px; }
  to   { height: 14px; }
}

.song-info { min-width: 0; }
.song-title {
  font-size: .9rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.song-meta {
  font-size: .78rem;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

.song-duration {
  font-size: .82rem;
  color: var(--text-3);
  white-space: nowrap;
  min-width: 36px;
  text-align: right;
}

.song-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--transition);
}
.song-item:hover .song-actions { opacity: 1; }

.song-source-badge {
  font-size: .65rem;
  background: var(--accent-glow);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* ── Song Art Placeholder ──────────────────────────────────── */
.song-art {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

/* ── Playlists Grid ────────────────────────────────────────── */
.playlists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 16px;
}

.playlist-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.playlist-card:hover {
  background: var(--surface2);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}

.playlist-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.playlist-card-name {
  font-size: .9rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 4px;
}

.playlist-card-count {
  font-size: .75rem;
  color: var(--text-3);
}

.playlist-card-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--transition);
}
.playlist-card:hover .playlist-card-actions { opacity: 1; }

.playlist-card-actions .btn-icon {
  width: 28px;
  height: 28px;
  background: var(--surface2);
}

.playlist-create-card {
  border: 2px dashed var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-3);
  min-height: 130px;
}
.playlist-create-card:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
  transform: translateY(-2px);
}
.playlist-create-card span { font-size: 2rem; }
.playlist-create-card p { font-size: .85rem; font-weight: 500; }

/* ── Playlist Detail ───────────────────────────────────────── */
.playlist-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 28px;
}

.playlist-detail-cover {
  width: 140px;
  height: 140px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  flex-shrink: 0;
}

.playlist-detail-info { flex: 1; min-width: 0; }

.playlist-detail-name {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.playlist-detail-name:hover .edit-icon { opacity: 1; }
.edit-icon { opacity: 0; transition: opacity var(--transition); color: var(--text-3); font-size: .85rem; }

.playlist-detail-meta {
  font-size: .85rem;
  color: var(--text-3);
  margin: 6px 0 16px;
}

.playlist-song-item {
  display: grid;
  grid-template-columns: 44px 44px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: var(--radius);
  transition: background var(--transition);
  cursor: default;
}
.playlist-song-item:hover { background: var(--surface2); }
.playlist-song-item.dragging { opacity: .4; pointer-events: none; }
.playlist-song-item.drag-over { border-top: 2px solid var(--accent); }

.drag-handle {
  color: var(--text-3);
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  opacity: 0.45;
  transition: opacity var(--transition);
}
.playlist-song-item:hover .drag-handle { opacity: 0.85; }
.drag-handle:active { cursor: grabbing; }

.playlist-song-item .song-actions {
  opacity: 0;
  transition: opacity var(--transition);
}
.playlist-song-item:hover .song-actions { opacity: 1; }

/* ── Player Bar ────────────────────────────────────────────── */
#player-bar {
  height: var(--player-h);
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  flex-shrink: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

/* Left: current track */
.player-now-playing {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 0 0 220px;
}

.player-track-icon {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.player-track-info { min-width: 0; }
.player-track-title {
  font-size: .85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.player-track-artist {
  font-size: .75rem;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

/* Center: controls + progress */
.player-center {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ctrl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  color: var(--text-2);
  font-size: .9rem;
  transition: all var(--transition);
  flex-shrink: 0;
}
.ctrl-btn:hover { color: var(--text); }
.ctrl-btn.active { color: var(--accent); }

.ctrl-btn-main {
  width: 38px;
  height: 38px;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--radius-full);
  font-size: 1rem;
  transition: all var(--transition);
}
.ctrl-btn-main:hover { transform: scale(1.07); background: var(--accent); }

.player-progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 500px;
}

.player-time {
  font-size: .72rem;
  color: var(--text-3);
  white-space: nowrap;
  min-width: 32px;
  text-align: center;
}

.progress-track {
  flex: 1;
  height: 4px;
  background: var(--surface3);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
  transition: height var(--transition);
}
.progress-track:hover { height: 6px; }

.progress-fill {
  height: 100%;
  background: var(--text);
  border-radius: var(--radius-full);
  pointer-events: none;
  transition: background var(--transition);
  min-width: 0;
}
.progress-track:hover .progress-fill { background: var(--accent); }

/* Right: volume + speed */
.player-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 200px;
  justify-content: flex-end;
}

.vol-btn {
  color: var(--text-3);
  font-size: .95rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.vol-btn:hover { color: var(--text); }

.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 4px;
  background: var(--surface3);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}
.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: var(--text);
  border-radius: 50%;
  cursor: pointer;
}
.volume-slider:hover::-webkit-slider-thumb { background: var(--accent); }

.speed-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 6px;
  font-size: .75rem;
  color: var(--text-2);
  cursor: pointer;
  outline: none;
}
.speed-select:hover { border-color: var(--accent); }

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow);
  transform: translateY(16px) scale(.97);
  transition: transform .2s ease;
}
.modal-overlay.open .modal { transform: none; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-title { font-size: 1.1rem; font-weight: 700; }
.modal-close {
  width: 30px;
  height: 30px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 1.1rem;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--surface2); color: var(--text); }

.modal-body { display: flex; flex-direction: column; gap: 16px; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 24px;
}

/* ── File Queue (multi-upload) ─────────────────────────────── */
.file-queue-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 220px;
  overflow-y: auto;
}

.file-queue-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--surface2);
  border-radius: var(--radius);
  font-size: .85rem;
}

.file-queue-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-queue-size {
  font-size: .75rem;
  color: var(--text-3);
  white-space: nowrap;
  flex-shrink: 0;
}

.file-queue-remove {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.file-queue-remove:hover { background: rgba(239,68,68,.15); color: var(--danger); }

.file-queue-status {
  width: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.file-queue-status.done    { color: var(--success); }
.file-queue-status.error   { color: var(--danger); }

/* Add Songs quick actions */
.add-songs-quick-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.add-songs-quick-actions .btn { flex: 1; justify-content: center; }

/* Upload drop zone */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--transition);
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent);
}
.drop-zone-icon { font-size: 2rem; margin-bottom: 8px; }
.drop-zone-text { font-size: .85rem; }
.drop-zone-hint { font-size: .75rem; margin-top: 4px; color: var(--text-3); }

/* ── Toast ─────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: calc(var(--player-h) + 16px);
  right: 16px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: .85rem;
  box-shadow: var(--shadow);
  animation: toast-in .2s ease;
  max-width: 320px;
}
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error   { border-color: var(--danger);  color: var(--danger);  }
.toast.info    { border-color: var(--accent);  color: var(--accent);  }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: none; }
}

/* ── Empty State ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-3);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state-title { font-size: 1rem; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.empty-state-text  { font-size: .85rem; margin-bottom: 20px; }

/* ── Loading Spinner ───────────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px;
  color: var(--text-3);
  font-size: .9rem;
}

/* ── Add-to-Playlist List ──────────────────────────────────── */
.playlist-pick-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 280px;
  overflow-y: auto;
}
.playlist-pick-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition);
  font-size: .875rem;
}
.playlist-pick-item:hover { background: var(--surface2); }
.playlist-pick-item .count { font-size: .75rem; color: var(--text-3); }

/* ── Back Button ───────────────────────────────────────────── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-3);
  font-size: .85rem;
  padding: 6px 10px 6px 6px;
  border-radius: var(--radius);
  transition: all var(--transition);
  margin-bottom: 16px;
}
.back-btn:hover { background: var(--surface2); color: var(--text); }

/* ── Section Heading ───────────────────────────────────────── */
.section-heading {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 12px;
  margin-top: 4px;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

/* ── Context Menu ──────────────────────────────────────────── */
.context-menu {
  position: fixed;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 1000;
  min-width: 190px;
  max-width: calc(100vw - 16px);
  padding: 4px 0;
  animation: ctx-in .12s ease;
}

@keyframes ctx-in {
  from { opacity: 0; transform: scale(.96) translateY(-4px); }
  to   { opacity: 1; transform: none; }
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 14px;
  font-size: .875rem;
  color: var(--text);
  transition: background var(--transition);
  text-align: left;
  white-space: nowrap;
}
.context-menu-item:hover { background: var(--surface2); }
.context-menu-item.danger { color: var(--danger); }
.context-menu-item.danger:hover { background: rgba(239,68,68,.1); }

.ctx-icon {
  display: flex;
  align-items: center;
  color: var(--text-3);
  flex-shrink: 0;
}
.context-menu-item.danger .ctx-icon { color: var(--danger); }

.context-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* ── Track Info Modal ──────────────────────────────────────── */
.track-info-art {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.track-info-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.track-info-row {
  display: flex;
  gap: 12px;
  font-size: .875rem;
  line-height: 1.4;
}

.track-info-key {
  color: var(--text-3);
  min-width: 72px;
  flex-shrink: 0;
  padding-top: 1px;
}

.track-info-val {
  color: var(--text);
  word-break: break-word;
  min-width: 0;
}

/* ── Inline rename ─────────────────────────────────────────── */
.rename-input {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -.5px;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--accent);
  border-radius: 0;
  padding: 2px 4px;
  outline: none;
  width: auto;
  color: var(--text);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 760px) {
  :root {
    --sidebar-w: 0px;
    --player-h: 72px;
    --mobile-nav-h: 56px;
  }

  #sidebar { display: none; }

  #content {
    padding: 16px;
    padding-bottom: calc(var(--mobile-nav-h) + var(--player-h) + 16px);
    overflow-x: hidden;
    word-break: break-word;
  }

  /* Mobile bottom nav */
  #mobile-nav {
    position: fixed;
    bottom: calc(var(--player-h) + env(safe-area-inset-bottom, 0px));
    left: 0;
    right: 0;
    height: var(--mobile-nav-h);
    background: var(--surface);
    border-top: 1px solid var(--border);
    display: flex;
    z-index: 90;
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
  }

  .mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 8px 4px;
    font-size: .65rem;
    color: var(--text-3);
    transition: color var(--transition);
    cursor: pointer;
    min-width: 0;
  }
  .mobile-nav-item.active { color: var(--accent); }
  .mobile-nav-item span:first-child { font-size: 1.3rem; }

  /* Compact player */
  #player-bar {
    height: var(--player-h);
    padding: 0 12px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    gap: 10px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
  }

  .player-now-playing {
    flex: 1;
    min-width: 0;
    overflow: hidden;
  }
  .player-track-title,
  .player-track-artist {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .player-center { display: none; }
  .player-right { display: none; flex: 0; }

  /* Show only play/pause on mobile player */
  .player-mobile-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }

  .playlist-detail-header { flex-direction: column; gap: 16px; }
  .playlist-detail-cover { width: 100px; height: 100px; }
  .playlist-detail-name { font-size: 1.4rem; }

  .playlists-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }

  .song-item { grid-template-columns: 30px 40px 1fr auto; }
  .song-duration { display: none; }
  .song-actions { opacity: 1; }
  .playlist-song-item .song-actions { opacity: 1; }
  .playlist-song-item { grid-template-columns: 44px 40px 1fr auto; }

  .page-title { font-size: 1.25rem; }

  /* Account page mobile */
  .account-page { padding: 0; }
  .account-section { padding: 16px; }
}

/* ── Account Page ──────────────────────────────────────────── */
.account-page {
  max-width: 520px;
}

.account-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.account-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
  flex-shrink: 0;
}

.account-user-info {
  min-width: 0;
}

.account-user-email {
  font-size: .9rem;
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-user-name {
  font-size: 1.1rem;
  font-weight: 600;
}

.account-section {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.account-section-title {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-3);
  margin-bottom: 16px;
}

.account-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.account-row:last-child {
  border-bottom: none;
}

.account-row-label {
  font-size: .85rem;
  color: var(--text-2);
  flex-shrink: 0;
}

.account-row-value {
  font-size: .9rem;
  color: var(--text);
  text-align: right;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-theme-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface2);
  border-radius: var(--radius-full);
  padding: 4px;
  cursor: pointer;
}

.account-theme-option {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-3);
  transition: all var(--transition);
  cursor: pointer;
}

.account-theme-option.active {
  background: var(--accent);
  color: #fff;
}

.account-logout-btn {
  width: 100%;
  padding: 12px;
  background: transparent;
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  color: var(--danger);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.account-logout-btn:hover {
  background: var(--danger);
  color: #fff;
}

.account-lang-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: .85rem;
  color: var(--text);
  cursor: pointer;
  outline: none;
}

.auth-lang-row {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.auth-lang-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: .8rem;
  color: var(--text);
  cursor: pointer;
  outline: none;
}

@media (min-width: 761px) {
  #mobile-nav { display: none; }
  .player-mobile-controls { display: none; }
}